151463989 has 2 divisors, whose sum is σ = 151463990. Its totient is φ = 151463988.

The previous prime is 151463971. The next prime is 151464007. The reversal of 151463989 is 989364151.

It is a balanced prime because it is at equal distance from previous prime (151463971) and next prime (151464007).

It can be written as a sum of positive squares in only one way, i.e., 141491025 + 9972964 = 11895^2 + 3158^2 .

It is a cyclic number.

It is not a de Polignac number, because 151463989 - 2¹¹ = 151461941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151463929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75731994 + 75731995.

It is an arithmetic number, because the mean of its divisors is an integer number (75731995).

Almost surely, 2^151463989 is an apocalyptic number.

It is an amenable number.

151463989 is a deficient number, since it is larger than the sum of its proper divisors (1).

151463989 is an equidigital number, since it uses as much as digits as its factorization.

151463989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 151463989 is about 12307.0706912734. The cubic root of 151463989 is about 533.0522695719.

The spelling of 151463989 in words is "one hundred fifty-one million, four hundred sixty-three thousand, nine hundred eighty-nine".